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56304620 = 2259729023
BaseRepresentation
bin1101011011001…
…0001111101100
310220221120102022
43112302033230
5103403221440
65330445312
71252403261
oct326621754
9126846368
1056304620
1129867549
1216a33838
13b884c58
147699268
154e22cb5
hex35b23ec

56304620 has 24 divisors (see below), whose sum is σ = 119462784. Its totient is φ = 22288896.

The previous prime is 56304617. The next prime is 56304653. The reversal of 56304620 is 2640365.

It is a self number, because there is not a number n which added to its sum of digits gives 56304620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12572 + ... + 16451.

It is an arithmetic number, because the mean of its divisors is an integer number (4977616).

Almost surely, 256304620 is an apocalyptic number.

It is an amenable number.

56304620 is an abundant number, since it is smaller than the sum of its proper divisors (63158164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56304620 is a wasteful number, since it uses less digits than its factorization.

56304620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29129 (or 29127 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 56304620 is about 7503.6404498083. The cubic root of 56304620 is about 383.2786933252.

Adding to 56304620 its reverse (2640365), we get a palindrome (58944985).

The spelling of 56304620 in words is "fifty-six million, three hundred four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 29023 58046 116092 145115 290230 580460 2815231 5630462 11260924 14076155 28152310 56304620